John Larson: Email & Phone Number

Opt-Out

Founder & CEO at Rostra|Redondo Beach, California, United States

Position:

Founder & CEO at Rostra

Location:

Redondo Beach, California, United States

View John Larson's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-07-09

Updated: 2026-07-09

Found email addresses for John Larson:

Business emails:

j**n@jpl-consulting.com,

j*********n@accenture.com,

j*********n@mckinsey.com

Personal emails:

c*******n@aol.com,

j*********n@gmail.com,

j******l@gmail.com

Found phones for John Larson:

+1-323-***-**74,

+1-623-***-**02,

+1-323-***-**04

A different John Larson?

Work Experience 18 years

Founder & CEO at Rostra

Jul 2024 - Current

Venture Scout at Mudita Venture Partners

Jun 2025 - Current

Chief AI Officer (CAIO) at Synthesis

Nov 2024 - Current

Fellow & Founding Member at AI CIRCLE

Jul 2024 - Current

Associate Partner, AI Investing, Growth & Operations at McKinsey & Company

Apr 2021 - Jul 2024

Expert, Digital & Service Operations at McKinsey & Company

Jun 2018 - Apr 2021

Digital Automation Specialist at McKinsey & Company

Mar 2017 - May 2018

Lead Architect at Accenture

Jan 2012 - Mar 2017

Executive VP of Technology at Corus

Oct 2015 - May 2016

Graduate Student Researcher at UCLA Microsensor Research Lab

Sep 2010 - Jan 2012

Secure Wireless Embedded Systems Engineer at Viasat

Jan 2009 - Aug 2010

Embedded Software Intern at Viasat

Jun 2008 - Sep 2008

John Larson started working in 2008, then the employee has changed 8 companies and 11 jobs. On average, John Larson works for one company for 1 year 11 months.

John is proficient in Spanish. Their professional focus is Agile Methodologies, Algorithms, and Amazon Bedrock across 3 core areas.

John holds AWS Partner: Technical Accredited and Certified ScrumMaster certifications.

Education

Master of Science at University of California, Los Angeles

B.S. at University of California, Los Angeles

Frequently Asked Questions

What is John Larson's email address?

SignalHire found verified email addresses for John Larson, both business and personal. Their business email is j**n@jpl-consulting.com, and personal emails include c*******n@aol.com, j*********n@gmail.com, and j******l@gmail.com.

What is John Larson's phone number?

SignalHire found multiple verified phone numbers for John Larson: +1-323-***-**74, +1-623-***-**02, and +1-323-***-**04.

How do I contact John Larson at Rostra?

You can reach John Larson through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Larson's professional background?

John Larson has 18 years of professional experience. They have held roles including Venture Scout, Chief AI Officer (CAIO), and Fellow & Founding Member at companies such as Mudita Venture Partners, Synthesis, and AI CIRCLE. Their education includes Master of Science from University of California, Los Angeles, and B.S. from University of California, Los Angeles.

Is John Larson's contact information up to date?

Yes. John Larson's SignalHire profile was last updated on 9 July 2026, reflecting their current position as Founder & CEO at Rostra in Redondo Beach, CA, United States.

John Larson Namesakes

Name

Company

Position

John Larson

Edmond North High School

PA Announcer

Get contacts

John Larson

Providence Health & Services

Registered Nurse

Get contacts

John Larson

tip411

Account Executive

Get contacts

See more profiles

Similar profiles

Name

Company

Position

Abdallah Ziadeh

Beehive

Founder & CEO

Get contacts

Praveen Salinda

SmartBIM Innovations

Founder & CEO

Get contacts

Kaushala Perera

BillionFinds

Founder & CEO

Get contacts

Nikin

Synapse AI Labs

Founder & CEO

Get contacts

Hansaja Diaz Kaluarachchi

Hydra Dynamics

Founder & CEO

Get contacts

Kunwar Chauhan

Suwasthi

Founder & CEO

Get contacts

See more profiles

Other employees at Rostra

Name

Company

Position

Jen Standen

Rostra

Executive Assistant to Chief Executive Officer

Get contacts

Avery Jaffe

Rostra

Communications

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.